EOC Review
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Questions to Review for EOC.
- 1.To find c, the total cost of an order of T-shirts from a certain website, the equation c = 13.99n + 3.25 can be used, where n represents the number of T-shirts ordered and $3.25 represents the cost of shipping. If c is a function of n, which of the following best describes this relationship?
- A.
The value of n is constant in relation to c.
- B.
The value of n is dependent on c.
- C.
The value of c is constant in relation to n.
- D.
The value of c is dependent on n.
- 2.A furniture store had a 25% off sale on all mattresses. Which statement best represents the functional relationship between the sale price of a mattress and the original price?
- A.
The original price is dependent on the sale price.
- B.
The sale price is dependent on the original price.
- C.
The sale price and the original price are independent of each other.
- D.
The relationship cannot be determined.
- 3.Simplify the polynomial. -2x(6x - 3) + 8x - (14 - 16x^2)
- A.
4x^2 + 2x - 14
- B.
4x^2 + 14x - 14
- C.
-28x^2 + 14x - 14
- D.
-28x^2 + 8x - 17
- 4.Find the solutions to the quadratic equation 2x^2 + 5x - 12 = 0.
- A.
X = 3/2 and x = -4
- B.
X = -3/2 and x = 4
- C.
X = -3/2 and x = -4
- D.
X = 3/2 and x = 4
- 5.Which shows the functions correctly listed in order from widest to narrowest graph?
- A.
Y = 9/4x^2, y = 2x^2, y = 5/4x^2, y = 1/2x^2
- B.
Y = 1/2x^2, y = 5/4x^2, y = 2x^2, y = 9/4x^2
- C.
Y = 9/4x^2, y = 5/4x^2, y = 2x^2, y = 1/2x^2
- D.
Y = 2x^2, y = 1/2x^2, y = 5/4x^2, yy = 9/4x^2
- 6.What are the x-intercepts of the graph of the equation y = x^2 + x - 20?
- A.
X = 5, x = 4
- B.
X = 5, x = -4
- C.
X = -5, x = -4
- D.
X = -5, x = 4
- 7.Which ordered pair represents one of the zeros of the function f(x) = 6x^2 + 11x - 35?
- A.
(-35, 0)
- B.
(-5/3, 0)
- C.
(-7/2, 0)
- D.
(7/2, 0)
- 8.Which best describes the effect on the graph of f(x) = 2x + 6 if the y-intercept is changed to -5?
- A.
The slope decreases.
- B.
The slope increases.
- C.
The x-intercept increases.
- D.
The new line passes through the origin.
- 9.To which of the following situations can the function y = 5x + 10 be used to describe?
- A.
Shannon is paid $10.00 per hour and earns $5.00 in tips each day. What is y, her earnings for working x hours?
- B.
Brian bought a plant that is 10 inches tall and will grow 5 inches per month. What is y, the height of the plant after x months?
- C.
The cost of renting a paddleboat is $5.00 per hour. What is y, the cost of renting the paddleboat for x hours?
- D.
Tiffany rented 10 videos at a cost of $5.00 per video. What is y, the cost of renting x videos?
- 10.Brian received a combination of one-dollar bills and five-dollar bills for his birthday. After counting his money, Brian finds that he has a total of $50. If x is the number of one-dollar bills and y is the number of five-dollar bills, find the equation that best represents the situation.
- A.
X + y = 50
- B.
5x + y = 50
- C.
5x + 5y = 50
- D.
X + 5y = 50
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